Invariants
| Level: | $264$ | $\SL_2$-level: | $6$ | ||||
| Index: | $16$ | $\PSL_2$-index: | $8$ | ||||
| Genus: | $0 = 1 + \frac{ 8 }{12} - \frac{ 0 }{4} - \frac{ 2 }{3} - \frac{ 2 }{2}$ | ||||||
| Cusps: | $2$ (all of which are rational) | Cusp widths | $2\cdot6$ | Cusp orbits | $1^{2}$ | ||
| Elliptic points: | $0$ of order $2$ and $2$ of order $3$ | ||||||
| $\Q$-gonality: | $1$ | ||||||
| $\overline{\Q}$-gonality: | $1$ | ||||||
| Rational cusps: | $2$ | ||||||
| Rational CM points: | none |
Other labels
| Cummins and Pauli (CP) label: | 6C0 |
Level structure
| $\GL_2(\Z/264\Z)$-generators: | $\begin{bmatrix}1&227\\202&69\end{bmatrix}$, $\begin{bmatrix}3&155\\154&185\end{bmatrix}$, $\begin{bmatrix}41&249\\218&187\end{bmatrix}$, $\begin{bmatrix}195&95\\41&60\end{bmatrix}$ |
| Contains $-I$: | no $\quad$ (see 24.8.0.c.1 for the level structure with $-I$) |
| Cyclic 264-isogeny field degree: | $144$ |
| Cyclic 264-torsion field degree: | $11520$ |
| Full 264-torsion field degree: | $60825600$ |
Models
This modular curve is isomorphic to $\mathbb{P}^1$.
Rational points
This modular curve has infinitely many rational points, including 150 stored non-cuspidal points.
Maps to other modular curves
$j$-invariant map of degree 8 to the modular curve $X(1)$ :
| $\displaystyle j$ | $=$ | $\displaystyle \frac{3^3}{2^9}\cdot\frac{x^{8}(x^{2}+8y^{2})^{3}(x^{2}+72y^{2})}{y^{6}x^{10}}$ |
Modular covers
This modular curve minimally covers the modular curves listed below.
| Covered curve | Level | Index | Degree | Genus | Rank |
|---|---|---|---|---|---|
| 33.8.0-3.a.1.1 | $33$ | $2$ | $2$ | $0$ | $0$ |
| 264.8.0-3.a.1.5 | $264$ | $2$ | $2$ | $0$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
| Covering curve | Level | Index | Degree | Genus |
|---|---|---|---|---|
| 264.48.0-24.ca.1.3 | $264$ | $3$ | $3$ | $0$ |
| 264.48.1-24.cl.1.1 | $264$ | $3$ | $3$ | $1$ |
| 264.64.1-24.c.1.6 | $264$ | $4$ | $4$ | $1$ |
| 264.192.7-264.c.1.24 | $264$ | $12$ | $12$ | $7$ |